OSCE DENTAL HYGIENE EXAM 2024 NEWEST EXAM 300+
COMPLETE QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT) /ALREADY GRADED A+
Question 1:
Which of the following is the primary cause of gingivitis?
• A. Viral infection
• B. Bacterial plaque
• C. Nutritional deficiencies
• D. Fungal infection
Question 2:
What is the recommended fluoride concentration in community water
supplies to prevent dental caries?
• A. 0.1 ppm
• B. 1.0 ppm
• C. 0.7 ppm
• D. 2.0 ppm
Question 3:
Which of the following instruments is best used for scaling subgingival
calculus?
• A. Explorer
• B. Sickle scaler
• C. Curette
• D. Probe
,Question 4:
What is the purpose of dental sealants?
• A. To whiten teeth
• B. To protect the occlusal surfaces from decay
• C. To strengthen enamel
• D. To treat sensitivity
Question 5:
Which vitamin deficiency is commonly associated with periodontal disease?
• A. Vitamin C
• B. Vitamin D
• C. Vitamin B12
• D. Vitamin A
Question 6:
Which type of fluoride is most commonly used in professional topical
applications?
• A. Sodium fluoride
• B. Acidulated phosphate fluoride
• C. Stannous fluoride
• D. Amine fluoride
Question 7:
How often should dental radiographs be taken for a low-risk adult patient?
• A. Every 3 months
• B. Every 6 months
, • C. Every 12-24 months
• D. Every 5 years
Question 8:
Which periodontal condition is characterized by the rapid loss of alveolar
bone and periodontal ligament in localized areas?
• A. Aggressive periodontitis
• B. Chronic periodontitis
• C. Necrotizing periodontal disease
• D. Gingivitis
Question 9:
What is the main role of chlorhexidine in dental hygiene?
• A. To reduce plaque and gingivitis
• B. To whiten teeth
• C. To treat dental caries
• D. To reduce tooth sensitivity
Question 10:
Which technique is recommended for brushing to remove plaque
effectively?
• A. Bass technique
• B. Scrub technique
• C. Circular technique
• D. Horizontal technique
Question 11:
, Which of the following is an early sign of oral cancer?
• A. Toothache
• B. Persistent white or red patches
• C. Sensitivity to hot and cold
• D. Gingival bleeding
Question 12:
What is the best method for detecting interproximal caries?
• A. Visual inspection
• B. Tactile examination with an explorer
• C. Bitewing radiographs
• D. Panoramic radiographs
Question 13:
Which of the following factors is most strongly associated with the
development of root caries in elderly patients?
• A. High carbohydrate diet
• B. Smoking
• C. Reduced salivary flow
• D. Poor oral hygiene
Question 14:
Which periodontal instrument is designed for the removal of heavy supra-
and subgingival calculus?
• A. Gracey curette
• B. Periodontal probe
COMPLETE QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT) /ALREADY GRADED A+
Question 1:
Which of the following is the primary cause of gingivitis?
• A. Viral infection
• B. Bacterial plaque
• C. Nutritional deficiencies
• D. Fungal infection
Question 2:
What is the recommended fluoride concentration in community water
supplies to prevent dental caries?
• A. 0.1 ppm
• B. 1.0 ppm
• C. 0.7 ppm
• D. 2.0 ppm
Question 3:
Which of the following instruments is best used for scaling subgingival
calculus?
• A. Explorer
• B. Sickle scaler
• C. Curette
• D. Probe
,Question 4:
What is the purpose of dental sealants?
• A. To whiten teeth
• B. To protect the occlusal surfaces from decay
• C. To strengthen enamel
• D. To treat sensitivity
Question 5:
Which vitamin deficiency is commonly associated with periodontal disease?
• A. Vitamin C
• B. Vitamin D
• C. Vitamin B12
• D. Vitamin A
Question 6:
Which type of fluoride is most commonly used in professional topical
applications?
• A. Sodium fluoride
• B. Acidulated phosphate fluoride
• C. Stannous fluoride
• D. Amine fluoride
Question 7:
How often should dental radiographs be taken for a low-risk adult patient?
• A. Every 3 months
• B. Every 6 months
, • C. Every 12-24 months
• D. Every 5 years
Question 8:
Which periodontal condition is characterized by the rapid loss of alveolar
bone and periodontal ligament in localized areas?
• A. Aggressive periodontitis
• B. Chronic periodontitis
• C. Necrotizing periodontal disease
• D. Gingivitis
Question 9:
What is the main role of chlorhexidine in dental hygiene?
• A. To reduce plaque and gingivitis
• B. To whiten teeth
• C. To treat dental caries
• D. To reduce tooth sensitivity
Question 10:
Which technique is recommended for brushing to remove plaque
effectively?
• A. Bass technique
• B. Scrub technique
• C. Circular technique
• D. Horizontal technique
Question 11:
, Which of the following is an early sign of oral cancer?
• A. Toothache
• B. Persistent white or red patches
• C. Sensitivity to hot and cold
• D. Gingival bleeding
Question 12:
What is the best method for detecting interproximal caries?
• A. Visual inspection
• B. Tactile examination with an explorer
• C. Bitewing radiographs
• D. Panoramic radiographs
Question 13:
Which of the following factors is most strongly associated with the
development of root caries in elderly patients?
• A. High carbohydrate diet
• B. Smoking
• C. Reduced salivary flow
• D. Poor oral hygiene
Question 14:
Which periodontal instrument is designed for the removal of heavy supra-
and subgingival calculus?
• A. Gracey curette
• B. Periodontal probe
